Baidu Apollo ACU: Automated Valet Parking Compute Platform

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Baidu Apollo ACU: Automated Valet Parking Compute Platform

Case study of Baidu and Flex joint development of the Apollo Computing Unit (ACU) for SAE Level-4 Automated Valet Parking without external infrastructure.

Published

June 4, 2026

Read time

3 min read

Source

Baidu partnered with Flex to design and manufacture the Apollo Computing Unit, a rugged automotive-grade compute platform for Level-4 autonomous parking. The ACU processes data from cameras, ultrasonic radars, and other sensors to enable inside-out Automated Valet Parking. Production began in 2021 after 18 months of development under ISO 26262 and IATF 16949 standards.

Key takeaways

ACU enables SAE Level-4 Automated Valet Parking using only vehicle-based sensors and compute

System meets ISO 26262 functional safety and IATF 16949 quality requirements

Joint design combined enterprise compute expertise with automotive ruggedization

First-generation ACU reached mass production in 18 months despite pandemic constraints

Inside-out architecture requires no external parking infrastructure

Market overview

SCR methodology note

Vendor landscape

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Implementation considerations

Important consideration

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